The Kraken galaxy is a hypothetical galaxy that is proposed to have collided and merged with the Milky Way around 11 billion years ago. The Kraken contributed at least 13 (9%) of the surviving 150 globular clusters to the Milky Way. Its existence was first proposed in 2020.[1][2]
| Kraken galaxy | |
|---|---|
| Observation data | |
| Constellation | various |
| Group or cluster | Local Group |
See also
edit- Sausage Galaxy, dwarf galaxy merged into Milky Way being its last major merger, cause for the Milky Way's thick disc and many halo stars.
- List of open clusters
- List of spiral galaxies
- Open cluster family
- Open cluster remnant
References
edit- ^ Kruijssen, J.M. Diederik; Pfeffer, Joel L.; Chevance, Mélanie; Bonaca, Ana; Trujillo-Gomez, Sebastian; Bastian, Nate; et al. (October 2020). "Kraken reveals itself – the merger history of the Milky Way reconstructed with the E-MOSAICS simulations". Monthly Notices of the Royal Astronomical Society. 498 (2): 2472–2491. arXiv:2003.01119. doi:10.1093/mnras/staa2452. Retrieved November 15, 2020.
- ^ Young, Monica (November 13, 2020). "Star Clusters reveal the "Kraken" in the Milky Way's past". Sky and Telescope. Retrieved May 30, 2022.
External links
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